Unit7 Be Careful,Part A Lets learn,traffic lights,stop,wait,cross the street,Red light, red light, stop, stop, stop Yellow light, yellow light, wait, wait, wait Green light, green light, cross the street,Lets chant,turn right,turn left,Try to match,cross the street,turn left,turn right,wait,traffic lights,stop,Lets act,借助下列句型，四人一组做个小游戏,A: Please B: Lets,traffic rules （交通规则,Obey the rules. Treasure our lives. (珍爱生命，遵守交规,Homework,必做题o和oo 选做题ooo,o Read this part. (朗读5遍) oo Lets recite these phrases
